Studies on the attainment of puberty in Karadi ewe lambs 2. Relationship of age at puberty to some biochemical constituents of blood

الملخص EN

Atotal of 30 ,six month old Karadi ewe lambs raised at the animal project,college of Agriculture ,University of Duhok were divided randomly into two groups and allocated into two dietary protein levels namely 12% and 16% , Blood samples was collected at 6,8 month old and at the onset of puberty for determination total protein ,glucose, cholesterol and insulin.

Results revealed that total protein ,cholesterol and glucose averaged 6.66±0.07 gm/l, 37.53± 1.19 mg/dl and 81.42±1.46 mg/dl, respectively ; protein level had no significant effect on total protein and glucose ,whereas the effect on cholesterol was significant .Also it appears that glucose was positively correlated with weight at puberty (0.247) (p<0.05) and insulin was positively correlated with body weight (0.378) (p<0.01) ,but negatively and significantly with age at puberty (-0.439) (p<0.01).